Granted Patent
Utility
US 5,876,472 · App. 08/957,894
Method for producing a chemically pretensioned glass body
Inventors:
Oliver Gros, Sabine Melson, Roland Leroux, Otmar Becker, Dietrich Busch
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Oct 27, 1997
Inventors
Oliver Gros
Sabine Melson
Roland Leroux
Otmar Becker
Dietrich Busch
Assignee (at issue)
Schott Glaswerke
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.